Year	Number
2004-01-01	752.9909
2005-01-01	773.0316
2006-01-01	793.4050
2007-01-01	786.7525
2008-01-01	787.5067
2009-01-01	767.6957
2010-01-01	596.6756
2011-01-01	585.8186
2012-01-01	573.2532
2013-01-01	527.4729
2014-01-01	503.6160
2015-01-01	495.1765
2016-01-01	512.5084